Effective Wireless Data Communications Solutions for Air Monitoring Systems

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Julia Fitzgerald
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1 Effective Wireless Data Communications Solutions for Air Monitoring Systems Prepared by: Joey Landreneau Sonoma Technology, Inc. Petaluma, CA David Schwarz Mobile Electron, LLC Tampa, FL Presented to: 2006 National Air Monitoring Conference Las Vegas, NV November 8,

Petaluma, CA David Schwarz Mobile Electron, LLC Tampa, FL Presented

2 Revised Ambient Air Monitoring Regulations September 2006, EPA revised Ambient Air Monitoring Regulations EPA, S/L/T improve public health protection and better inform the public about AQ in their communities AQ regulators to take advantage of improvements in monitoring technologies Add more real-time AQ measurements for particle pollution and ground-level ozone 2

public about AQ in their communities AQ regulators to take advantage of improvements in

3 Wireless Data Communications As A Tool to Assist S/L/T Agencies Important to establish a team to achieve an end-to-end solution. Many technological alternatives are available. Which alternative is best? Remote wireless communications are successfully deployed and proven cost-effective. 3

Many technological alternatives are available.

4 Mobile Monitor With Wireless Modem 4

5 AQI Map 5

6 Adopters Will Always Encounter Hurdles Remote hardware Networking technology Back-end application Integration Data storage Security Monthly recurring charges Select a team with experience 6

7 Available Technological Alternatives 2006 Continuous AQ Monitoring Sites AQ monitors with serial interface directly addressable Digital data wireless or wire line connectivity Wireless CDMA 1xRTT vs GSM EDGE (2.5 generation) CDMA EVDO vs GSM UMST (3 generation) CDMA EVDO (real-world rate kbit/s) GSM HSDPA = Enhanced Data Rates for GSM Evolution (384 kbit/s) Wire Line POTS DSL DAS push or pull data to central PC Result: real-time access via Internet 7

5 generation) CDMA EVDO vs GSM UMST (3 generation) CDMA EVDO (real-world rate 300 700 kbit/s) GSM HSDPA = Enhanced

8 What A System Can Look Like HQ Internet CDMA CDMA Carrier PC w/browser 8

9 Example: Real-time Data Updated Every 10 Minutes 9

10 Example Wireless Modem: AirLink Raven Telemetry Features Always-On Connection Integrated TCP/IP Stack Class 1 Div 2 certified Domain name addressable Low power consumption Stateful Inspection Firewall CDMA GPRS iden 1XRTT EDGE High-Speed Data Connections Rugged device for mobile data 1X data connections High-speed connectivity for any PC, router, or remote device Backup network connectivity for routers and servers Popular Applications Seismographic Vibration Monitoring Natural Gas Wellhead Monitoring Transmission Line Flow Meters Energy Management Systems Air Quality/Meteorological Monitoring Water Level Monitoring 10

High-speed connectivity for any PC, router, or remote device Backup network connectivity for routers and servers Popular Applications Seismographic

11 Security Security and Encryption = COMPLEX ISSUES! IT = Business Prevention Group Critical Infrastructure Protection (CIP) ME provides CIP for Homeland Security Security and Encryption are handled by various means Carrier how they provide IP s and service on their networks Static IP s can be restricted or unrestricted (Internet accessible or not) Firewall with specific ports open Closed networks with host connectivity to the carrier through dedicated lines Hardware and software solutions 11

Encryption are handled by various means Carrier how they provide IP s and service on their networks Static IP s can be

12 A Team Solution Provides products that simplify the capture and integration of machine-to-machine (M2M) data Offers unique solutions designed for wireless networks Enables customers and solution providers to quickly and cost-effectively deploy M2M solutions in ways never before possible 12

designed for wireless networks Enables customers and solution providers

13 Many Combinations for System Solutions Remote Machines Machines Controllers RTUs / PLCs Meters / Loggers Transducers Switches/ Sensors Motes Appliances Networks / Carriers Dialup ISPs Cable/DSL Dedicated Internet Frame Relay Circuit-Switched Wireless Carriers SMS Private Radio Network Adapters Dialup Modems Ethernet Adapters Device Servers Terminal Servers Wireless Adapters Wireless Modems 13 Service / Application ASP Services Data Centers Hosting Company Telematics Providers AVL Providers HMI / MMI Servers Private Applications End User PC/Handheld

Radio Network Adapters Dialup Modems Ethernet Adapters Device Servers Terminal Servers Wireless Adapters Wireless Modems 13 Service /

14 Possible Characteristics of User System (1 of 2) A wireless network interface of continuous AQ monitors and DAS using AirLink modems. Public and private web sites offers options to solve difficult internal IT security demands & improve productivity. Methods to distribute information via the Internet using real-time relational databases to distribute AQ data for scientific and general public use. Software to view, validate, and analyze air quality data (example on next page). 14

Public and private web sites offers options to solve difficult internal IT security demands & improve productivity.

15 Possible Characteristics of User System (2 of 2) Point-and-click software to view, validate, and analyze air quality data: 15

16 Wireless Advantages Manual vs. Remote Data Retrieval Manual labor-intensive, not real-time data access Remote POTS vs. Wireless POTS Plain old telephone services Worked fine for daily polling 1-hour data Hourly calls costly (for real-time web & AIRNow posting) Labor intensive for polling 1-minute data on weekly basis Modems are becoming difficult to maintain hard to find and costly Wireless M2M Greater bandwidth at lower recurring costs Supply real-time digital information improving operations Enhanced trouble shooting and maintenance capabilities via direct addressable monitors Multiple user access via Internet, increasing productivity Increased mobility 16

polling 1-minute data on weekly basis Modems are becoming difficult to maintain hard to find and costly Wireless M2M Greater bandwidth at lower recurring costs Supply

17 Example: Return on Investment 28 Site Network Yearly Expenditure Useage Fee Modem Hourly + 1-minute polling Total POTS $22,176 $6,600 $3,838 $32,614 Wireless $500 1-time $23,100 $6,720 $30, month ROI 17

18 Team Success: STI Field Demonstration Client to provide Ethernet connection, but 5 working days before demonstration: client informs STI no telemetry connection available STI contacts ME Verizon contract executed Raven E modem purchased, programmed, delivered Day 3 modem installed on-site, but... IP address error needs to be de-bugged with ME help Day 5 demonstration proceeds as scheduled STI repeats the demonstration a few months later 2,000 miles away (with the same equipment) 18

programmed, delivered Day 3 modem installed on-site, but.

19 Wireless Figures Prominently in AQ Monitoring Today Ambient air monitors with serial interface an IP enabled, wireless IP networks and Internet distribution and dissemination of digital data The constraints of communication cables are eliminated The costs to implement and operate wireless digital telemetry are affordable 19

and dissemination of digital data The constraints of communication cables are

20 What Is Next? Evaluate your AQ monitoring network Does it comply with revised monitoring regulations to inform the public and take advantage of realtime monitoring advances? Where are improvements warranted? For suggestions, contact STI ( ) Mobile Electron ( ) 20

monitoring regulations to inform the public and take advantage of

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